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Finding the Fourth Proportional to 495,361.54, 683,808.17 and 334,434.54

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Solution

The fourth proportional to 495,361.54, 683,808.17 and 334,434.54 is: 461,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,361.54 : 683,808.17 = 334,434.54 : x
  2. Step 2: Convert to fraction form
    495,361.54/683,808.17 = 334,434.54/x
  3. Step 3: Cross multiply
    495,361.54x = 683,808.17 × 334,434.54
  4. Step 4: Simplify right side
    495,361.54x = 228,689,070,782.19
  5. Step 5: Solve for x
    x = 228,689,070,782.19/495,361.54
  6. Step 6: Final answer
    x = 461,660.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.